LCD Display 12864, 12864 LCD
Model No. WG12864D
►128x64 LCD Display, 12864 LCD
►Graphic LCD
►IC: RA6963
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►Interface: 8080
►Touch Screen: Option
Description
WG12864D is a 2.7- inch 128x64 LCD display module which is having the same mechanical size as WG12864C. WG12864D model is built in with RA6963; it communicates via 8080 8-bit parallel interface and negative voltage built in on module. WG12864D is available in various LED colors including yellow/green, blue, white, red, etc. This 128 x 64 LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG12864D-TFH-VZ#
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VEE | — | Negative Voltage Output |
| 2 | Vss | — | GND |
| 3 | Vdd | — | Power supply |
| 4 | Vo | — | Power supply for LCD driver |
| 5 | /WR | L | Data write. Write data into RA6963WR = L |
| 6 | /RD | L | Data read. Read data from RA6963RD = L |
| 7 | /CE | L | L : Chip enable |
| 8 | /CD | H / L | WR=L , C/D=H : Command Write C/D=L: Data write RD=L , C/D=H : Status Read C/D=L: Data read |
| 9 | /RESET | H / L | H : Normal ; L : Initialize RA6963 |
| 10 | DB0 | H / L | Data bus line |
| 11 | DB1 | H / L | Data bus line |
| 12 | DB2 | H / L | Data bus line |
| 13 | DB3 | H / L | Data bus line |
| 14 | DB4 | H / L | Data bus line |
| 15 | DB5 | H / L | Data bus line |
| 16 | DB6 | H / L | Data bus line |
| 17 | DB7 | H / L | Data bus line |
| 18 | FS | H / L | Pins for selection of font ; H : 6 * 8 , L : 8 * 8 |
| 19 | K | — | Power supply for LED B/L - |
| 20 | A | — | Power supply for LED B/L + |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 78.0 x 70.0 x 14.3(Max) | mm |
| View area | 62.0 x 44.0 | mm |
| Active area | 56.28 x 38.36 | mm |
| Dot size | 0.40 x 0.56 | mm |
| Dot pitch | 0.44 x 0.60 | mm |
| Duty | 1/64 | |
| Backlight Type | LED | |
| IC | RA6963 | |
| Interface | 8080 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input Voltage | VIN | -0.3 | － | VDD+0.3 | V |
| Supply voltage for Logic | VDD-VSS | -0.3 | － | 7.0 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | VDD-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 8.2 7.6 |
－ 8.5 － |
9.8 8.8 － |
V V V |
| Input High Volt. | VIH | － | 0.8VDD | － | VDD | V |
| Input Low Volt. | VIL | － | 0 | － | 0.15VDD | V |
| Output High Volt. | VOH | － | VDD-0.3 | － | VDD | V |
| Output Low Volt. | VOL | － | 0 | － | 0.3 | V |
| Supply Current | IDD | － | 11 | 12 | 13 | mA |
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